Patents by Inventor Apin Chang
Apin Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6956525Abstract: A method for correcting azimuth angle data of a navigational device, which is installed in a vehicle, includes the steps of enabling the navigational device to periodically receive a position information signal that is transmitted from a global positioning system (GPS) service provider and that contains an azimuth angle of the vehicle, obtaining velocity data of the vehicle, obtaining magnetic north data by means of an electronic compass, and enabling the navigational device to correct the azimuth angle contained in the position information based on the magnetic north data when the velocity data is lower than a reference value. A navigational device that implements the aforesaid method is also disclosed.Type: GrantFiled: November 16, 2004Date of Patent: October 18, 2005Assignee: Wintecronics Co., Ltd.Inventor: Apin Chang
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Publication number: 20050181845Abstract: A wireless intercommunicating apparatus includes a wireless intercommunicating device capable of outputting an audio signal corresponding to an incoming radio frequency signal received thereby, and a driving signal generated upon detecting generation of the audio signal. An auxiliary device is coupled to the wireless intercommunicating device, and includes an earphone switch port switched so as to enable an earphone to reproduce the audio signal from the wireless intercommunicating device when the earphone is connected to the earphone switch port, and a signal indicating unit driven by the driving signal from the wireless intercommunicating device so as to indicate receipt of the incoming radio frequency signal by the wireless intercommunicating device.Type: ApplicationFiled: February 12, 2004Publication date: August 18, 2005Inventor: Apin Chang
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Patent number: 6786846Abstract: A safety device for a remotely-activated power supplying system of a manual transmission vehicle includes a starting safety unit connected to a main controller for detecting the presence of a safety condition, and an ignition key detector connected to the main controller for detecting if an ignition key is uprooted from a key-operated power supplying system. Thus, the main controller can be configured to activate a power supplying device to supply electric power to an ignition system when a wirelessly transmitted start signal is received by the main controller, when the safety condition is detected by the starting safety unit, and when the ignition key detector detects that the ignition key is uprooted.Type: GrantFiled: November 19, 2002Date of Patent: September 7, 2004Assignee: Wintecronics Co., Ltd.Inventor: Apin Chang
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Publication number: 20040100401Abstract: A remote controller capable of transmitting different control signals for controlling an anti-theft device on an automobile includes a casing, a controller circuit, a function key set, and a function display unit. The controller circuit is disposed in the casing and includes a transmitter circuit connected electrically to a processor unit. The function key set is mounted on the casing, is connected electrically to the processor unit, and includes a user-programmable command transmit key operable so as to enable the processor unit to control the transmitter circuit to transmit an assigned control signal. The function display unit is mounted on the casing, and is connected electrically to and controlled by the processor unit to provide a visual indication corresponding to a currently selected one of the control signals.Type: ApplicationFiled: November 19, 2003Publication date: May 27, 2004Inventor: Apin Chang
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Publication number: 20040097329Abstract: A safety device for a remotely-activated power supplying system of a manual transmission vehicle includes a starting safety unit connected to a main controller for detecting the presence of a safety condition, and an ignition key detector connected to the main controller for detecting if an ignition key is uprooted from a key-operated power supplying system. Thus, the main controller can be configured to activate a power supplying device to supply electric power to an ignition system when a wirelessly transmitted start signal is received by the main controller, when the safety condition is detected by the starting safety unit, and when the ignition key detector detects that the ignition key is uprooted.Type: ApplicationFiled: November 19, 2002Publication date: May 20, 2004Applicant: WINTECRONICS CO., LTD.Inventor: Apin Chang
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Patent number: 6664889Abstract: In a vehicle remote-control system, an anti-theft unit includes a vehicle control module, which can receive a disarm signal directly from a signal transmitting key, and which can change from an armed state, in which an inactive state of an ignition system is maintained, to a disarmed state, in which the ignition system is activated, upon receipt of the disarm signal. A starting unit includes a starting device, which generates an enable signal upon receipt of a starting control signal from a remote controller, and which controls starting operation of the ignition system when the vehicle control module is at the disarmed state and the starting device receives the starting control signal. A signal connector is enabled by the enable signal so as to relay the disarm signal from the key to the vehicle control module.Type: GrantFiled: November 9, 2001Date of Patent: December 16, 2003Assignee: Wintecronics Co., Ltd.Inventor: Chen-Apin Chang
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Patent number: 6662085Abstract: A remote-controlled starter apparatus is used in a machine having a power supply system and a power mechanism interconnected via a power conducting line. The starter apparatus includes a starter control circuit, a current sensing circuit and a signal converting circuit. The starter control circuit starts the power mechanism upon receiving a start-initiate signal transmitted by a remote controller, and generates a signal to activate the current sensing circuit. The current sensing circuit generates a sensor output corresponding to electrical current flowing through the power conducting line. The signal converting circuit is connected to the current sensing circuit and the starter control circuit, and converts the sensor output into a corresponding voltage output to enable the starter control circuit to determine whether or not the starting operation was successful, and to restart the power mechanism upon determining that the starting operation was unsuccessful.Type: GrantFiled: January 29, 2002Date of Patent: December 9, 2003Assignee: Wintecronics Co., Ltd.Inventor: Apin Chang
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Patent number: 6608555Abstract: A vehicle security system includes a detector circuit cluster, an alarm circuit cluster and a host device, all connected to a common power supply line. The detector circuit cluster includes a detector circuit for detecting a current state of a respective component of the vehicle. The detector circuit can receive a status request signal and transmit a status response signal corresponding to the detected state of the respective component. The alarm circuit cluster is enabled upon receipt of an alarm enable signal for generating an alarm output. The host device can transmit the status request signal for the detector circuit, receive the status response signal from the detector circuit, and selectively transmit the alarm enable signal in accordance with the status response signal.Type: GrantFiled: January 7, 2002Date of Patent: August 19, 2003Assignee: Wintecronics Co., Ltd.Inventor: Apin Chang
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Patent number: 6591803Abstract: A safety switch is coupled to a control line of a vehicle starting system, and includes a first electrical connector that terminates a second branch of the control line, a first resistor that connects a first branch of the control line to a first voltage source, a switch element having a first end connected to a second voltage source, and a second end terminated by a second electrical connector that mates with the first electrical connector, and a second resistor connected in parallel with the switch element. The switch element makes or breaks electrical connection between the first and second ends according to a detected position state of an engine hood of the vehicle. The starting system is enabled so as to permit remote-controlled activation of the vehicle only when a voltage drop, the magnitude of which is between the voltage outputs of the first and second voltage sources, is present at the control line.Type: GrantFiled: November 9, 2001Date of Patent: July 15, 2003Assignee: Wintecronics Co., Ltd.Inventor: Chen-Apin Chang
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Publication number: 20030093192Abstract: A remote-controlled starter apparatus is used in a machine having a power supply system and a power mechanism interconnected via a power conducting line. The starter apparatus includes a starter control circuit, a current sensing circuit and a signal converting circuit. The starter control circuit starts the power mechanism upon receiving a start-initiate signal transmitted by a remote controller, and generates a signal to activate the current sensing circuit. The current sensing circuit generates a sensor output corresponding to electrical current flowing through the power conducting line. The signal converting circuit is connected to the current sensing circuit and the starter control circuit, and converts the sensor output into a corresponding voltage output to enable the starter control circuit to determine whether or not the starting operation was successful, and to restart the power mechanism upon determining that the starting operation was unsuccessful.Type: ApplicationFiled: January 29, 2002Publication date: May 15, 2003Inventor: Apin Chang
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Publication number: 20030047999Abstract: In a vehicle remote-control system, an anti-theft unit includes a vehicle control module, which can receive a disarm signal directly from a signal transmitting key, and which can change from an armed state, in which an inactive state of an ignition system is maintained, to a disarmed state, in which the ignition system is activated, upon receipt of the disarm signal. A starting unit includes a starting device, which generates an enable signal upon receipt of a starting control signal from a remote controller, and which controls starting operation of the ignition system when the vehicle control module is at the disarmed state and the starting device receives the starting control signal. A signal connector is enabled by the enable signal so as to relay the disarm signal from the key to the vehicle control module.Type: ApplicationFiled: November 9, 2001Publication date: March 13, 2003Applicant: WINTECRONICS CO., LTD.Inventor: Chen-Apin Chang
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Publication number: 20030047155Abstract: A safety switch is coupled to a control line of a vehicle starting system, and includes a first electrical connector that terminates a second branch of the control line, a first resistor that connects a first branch of the control line to a first voltage source, a switch element having a first end connected to a second voltage source, and a second end terminated by a second electrical connector that mates with the first electrical connector, and a second resistor connected in parallel with the switch element. The switch element makes or breaks electrical connection between the first and second ends according to a detected position state of an engine hood of the vehicle. The starting system is enabled so as to permit remote-controlled activation of the vehicle only when a voltage drop, the magnitude of which is between the voltage outputs of the first and second voltage sources, is present at the control line.Type: ApplicationFiled: November 9, 2001Publication date: March 13, 2003Applicant: WINTECRONICS CO., LTD.Inventor: Chen-Apin Chang
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Publication number: 20020145553Abstract: A remote controller is capable of transmitting different control signals for controlling an anti-theft device on an automobile, and includes a controller circuit disposed in a casing, and a function key set and a function display unit mounted on the casing and connected electrically to the controller circuit. The controller circuit includes a processor unit and a transmitter circuit connected electrically to and controlled by the processor unit so as to transmit the control signals wirelessly. The function key set includes a function select key operable so as to control selection of the control signals by the processor unit. The function display unit is controlled by the processor unit to provide a visual indication corresponding to a currently selected one of the control signals.Type: ApplicationFiled: May 9, 2001Publication date: October 10, 2002Inventor: Apin Chang
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Publication number: 20020130788Abstract: In a remote controlled door lock system, a door lock apparatus transmits a confirm signal wirelessly upon controlling a door lock device thereof to operate in a selected one of the armed and disarmed states. A remote controller has a receiver circuit for receiving the confirm signal transmitted by the door lock apparatus, and an indicator unit for generating an indicator signal when the remote controller receives the confirm signal from the door lock apparatus.Type: ApplicationFiled: April 18, 2001Publication date: September 19, 2002Inventor: Apin Chang